210342140042 has 8 divisors (see below), whose sum is σ = 320222362656. Its totient is φ = 103601352492.

The previous prime is 210342140027. The next prime is 210342140077. The reversal of 210342140042 is 240041243012.

210342140042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784858598 + ... + 784858865.

It is an arithmetic number, because the mean of its divisors is an integer number (40027795332).

Almost surely, 2^210342140042 is an apocalyptic number.

210342140042 is a deficient number, since it is larger than the sum of its proper divisors (109880222614).

210342140042 is a wasteful number, since it uses less digits than its factorization.

210342140042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569717532.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 210342140042 its reverse (240041243012), we get a palindrome (450383383054).

The spelling of 210342140042 in words is "two hundred ten billion, three hundred forty-two million, one hundred forty thousand, forty-two".